4.5
(860)
9,157
riders
552
rides
Mountain biking around Lozoya Somosierra offers diverse landscapes and an extensive network of trails in the northern Comunidad de Madrid. The region features mountainous terrain, including parts of the Sierra de Guadarrama and Sierra de Somosierra, providing challenging climbs and descents. River valleys like the Lozoya, Jarama, and Guadalix, along with reservoirs such as Embalse de Pinilla, add scenic beauty and varied microclimates. Riders can explore diverse vegetation, from grasslands and scrublands to pine, oak, and birch forests.
Last updated: June 23, 2026
4.6
(11)
238
riders
49.1km
05:12
1,250m
1,240m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.8
(12)
192
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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5.0
(2)
138
riders
67.0km
05:46
1,230m
1,230m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
58
riders
65.1km
06:35
1,560m
1,560m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
4.6
(7)
75
riders
33.3km
03:24
760m
760m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.4
(5)
75
riders
26.6km
02:41
630m
630m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
45
riders
50.8km
05:10
1,150m
1,150m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(8)
25
riders
34.2km
02:30
610m
610m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(4)
42
riders
50.9km
03:48
570m
570m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(8)
32
riders
16.3km
01:27
120m
120m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Popular around Lozoya Somosierra
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Panoramic loop through the Sierra del Rincón
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This large pine forest is located within the municipality of Canencia and is easily accessible via forest tracks from the Canencia Pass, coming from the south (Miraflores de la Sierra and Madrid) or from the north (Canencia in the Lozoya Valley). It can also be reached via a longer approach from the M-611 road through the Collado del Hontanar pass (1,731 m).
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Many Spanish churches and chapels are dedicated to the Virgin Mary. This one in Bustarviejo bears the inscription "Purísima Concepción," meaning it is dedicated to the Immaculate Conception, a special Marian feast. This term, which may sound somewhat theoretical and difficult to grasp today, expresses the idea that the Virgin Mary was, from the very beginning, freed by God's grace from the burden of original sin—which every human being otherwise carries. This enabled her to freely answer "yes" when the Archangel later announced to her in Nazareth that she would give birth to the Son of God. In 1854, Pope Pius IX declared this article of faith a dogma. The feast day commemorating this occasion—and also the patronal feast of this church—which in Catholic liturgy is officially called the "Solemnity of the Immaculate Conception of the Blessed Virgin Mary," is celebrated annually on December 8th.
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Beautiful place and beautiful river, with water, as it was flowing today.
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Stone bridge that crosses the Lozoya River near its passage through the Pinilla reservoir.
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Viewpoint with wonderful views
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Congos Bridge over the Lozoya River, hearing the water flow, nothing more
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Lozoya Somosierra offers an extensive network of over 540 mountain bike trails, catering to various skill levels. You'll find options ranging from easy paths to challenging unpaved segments, with 86 easy, 315 moderate, and 145 difficult routes available.
The region features diverse terrain, including mountainous areas within the Sierra de Guadarrama and Sierra de Somosierra, offering challenging climbs and exhilarating descents. You'll also encounter picturesque river valleys like the Lozoya, Jarama, and Guadalix, along with reservoirs such as Embalse de Pinilla. Trails often wind through varied vegetation, from grasslands and scrublands to dense pine, oak, and birch forests.
Yes, Lozoya Somosierra has 86 easy mountain bike trails, many of which are suitable for families. A good option for a more relaxed ride is the Paseo por el Embalse de Pinilla — Sierra de Guadarrama, which is an easy 16.3 km route around the reservoir, offering scenic views and a relatively flat profile.
For experienced riders seeking a challenge, Lozoya Somosierra offers 145 difficult routes. One such demanding trail is Hoya de San Blas, Morcuera, Canencia — Sierra de Guadarrama, a 49.1 km route with significant elevation changes that traverses high elevations within the Sierra de Guadarrama.
Yes, many routes in Lozoya Somosierra are circular, allowing you to start and end in the same location. An example of a moderate circular route is Pinares de Canencia circular hike from Miraflores de la Sierra — Guadarrama National Park, which winds through the pine forests of Canencia.
Lozoya Somosierra is rich in natural beauty. You can encounter impressive natural attractions like the Hervidero Waterfall, the highest waterfall in the Community of Madrid. The region also features glacial formations, such as the Peñalara Glacial Cirque, and scenic viewpoints like Views of the Lozoya River and Vultures' Viewpoint. Many routes also pass by reservoirs like the Embalse de Pinilla.
The mountain bike trails in Lozoya Somosierra are highly rated by the komoot community, with an average score of 4.5 stars from over 790 reviews. Riders often praise the diverse landscapes, the challenging climbs, and the scenic beauty of the river valleys and dense pine forests. The extensive network of trails also offers options for all fitness and skill levels, making it a popular destination for over 8,900 mountain bikers who have explored the area with komoot.
Yes, many routes in the Lozoya Valley integrate with cultural attractions. While specific routes are not listed here, the region is known for traditional villages, historical monuments, and medieval sites. For example, the walled town of Buitrago del Lozoya, with its medieval castle and Picasso museum, is a notable stop in the area. The Monasterio de Santa María de El Paular is another significant historical landmark found along some routes.
Lozoya Somosierra offers varied conditions throughout the year. Spring and autumn generally provide the most pleasant temperatures for mountain biking. Summer can be warm, especially at lower elevations, but higher altitudes offer cooler microclimates. Winters can bring snow to the higher parts of the Sierra de Guadarrama and Somosierra, which may limit access to some trails.
While specific dog-friendly routes are not explicitly designated in the data, many natural trails in Lozoya Somosierra are suitable for dogs, provided they are kept under control and local regulations are followed. It's always advisable to check specific trail rules and ensure your dog is fit for the distance and terrain.
Parking is generally available near trailheads and in the towns and villages throughout Lozoya Somosierra. Popular starting points like Miraflores de la Sierra, Canencia, and areas around the Embalse de Pinilla often have designated parking facilities. It's recommended to check specific route descriptions on komoot for detailed parking information for your chosen trail.
Lozoya Somosierra is accessible from Madrid, making it convenient for public transport users. Buses connect Madrid with many towns in the region, such as Buitrago del Lozoya, Miraflores de la Sierra, and Rascafría, which serve as good starting points for mountain biking. You may need to check local bus schedules and policies regarding bicycle transport.


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